DCL:MISC£±:MISCLIB: Miscellaneous Functions and Subroutines *#:Explanation of Functions
Returns 'N' when the value to check is positive, and 'S' when negative. (A single-character) character-type function.
CNS(INS)
INS (I) The value to be checked. CNS (C *1) A character-type function of length 1 that returns 'N' when INS is positive, and 'S' when negative.